????:1???????:???????

2????????????

3??????QQ

4?2023???????????

5???????????

??????2??21??? (?? ?????)???????????????1??????,?168??????,??????????????????????????????????????????????????????;?????????????????????????????????

???21?????????????1??,??339??(PM2.5)??53.1??????/??,??4.7%;?(PM10)????80??/??,??8.1%??????339???????????78.0%,???0.5??

1????,??“2+36”??PM2.5??????61.0?/???,??18.3%;??68.5%,??????7.4??;?????2.9%,?????????6.8???1????,?????????PM2.5?28.3???/??,??23.5%?

1??,168??:PM2.5??????20?????????????????????????????????????????????????????????????????????????????????????????????????????????;PM2.5??20????????????????????????????????????????????????????????????????????????(????) ???:???